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  • Dynamic Mechanical Analysis of Hydrogel
    contract research laboratory specializing in polymers, contacted Bose (R) with the challenge of accurately determining the dynamic stiffness and modulus of a polyvinyl alcohol hydrogel. The ElectroForce (R) 3100 test instrument and DMA (Dynamic Mechanical Analysis) Software, in conjunction
  • Automotive Fatigue Life and Dynamic Mechanical Analysis of a Matrix Polymer
    Bose with the need to assess fatigue response and also to perform a DMA assessment on their raw materials. The ElectroForce (R) 3330 test instrument with DMA (Dynamic Mechanical Analysis) software, in conjunction with WinTest (R) control software, was used to conduct these tests. The ElectroForce 3330
  • Dynamic Mechanical Analysis (.doc)
    The DMA determines changes in sample properties resulting from changes in five experimental variables: temperature, time, frequency, force, and strain. The deformation can be applied sinusoidally, in a constant, or under a fixed rate. The DMA uses samples that can be in bulk solid, film, fiber, gel,
  • Dynamic Mechanical Analysis Of UV-Curable Coatings While Curing
    A method has been developed for following the. dynamic mechanical properties of a UV-curable coating. while the sample is curing. The resulting data and plots. can be used to measure the material's cure speed. The. precision is sufficiently high to allow small differences. in cure speed between
  • Real Time UV-Cure Profiling, Shrinkage Determination, and Post Cure Dynamic Mechanical Analysis of Developing Network Systems
    Rheological behavior is directly associated with. performance qualities such as comfort in the case of. contact lenses, cure time in the case of fiber optic. coatings and inks, and ultimate mechanical strength. in the case of structural polymers.
  • Dynamic Testing Characterizes the Viscoelastic Properties of Vocal Fold Tissue
    of up to 15 Hz(1). Dynamic Mechanical Analysis data in the frequency range of typical human speech (150-300 Hz) would be useful to fully evaluate the mechanical properties of original or replacement tissue. In addition, Stress Relaxation and Strain Creep data help determine the range of mechanical
  • DMTA: Dynamic Mechanical Thermal Analysis
    In the following sections, some of the features and benefits of DMRT are presented, relevant elements of rheology are defined, DMRT methods are explained, and some applications of DMRT to polymer studies are given.
  • A Guide to Mechanical Impedance and Structural Response Techniques
    of. reducing the mechanical vibration, either at its source or somewhere along the transmission. path. The overall result is that the dynamic behavior of a machine or structure is now an important. factor in design and development along with the analysis of static stresses and deflections

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